If your accountant only contacts you during tax season, you might be paying for a glorified report card, not strategy. But your professional might not be entirely to blame.

The tax preparation industry has been caught in a severe supply-and-demand squeeze. On the supply side, a talent drain is hollowing out the industry, with more than 300,000 accountants and auditors leaving the workforce in two years, according to

Bureau of Labor Statistics data.

On the demand side, clients are increasingly frustrated and ready to move. A new report from financial directory

Sam's List reveals that 36% of people seeking personal tax help want new professionals to replace their current provider.…